252505507 has 2 divisors, whose sum is σ = 252505508. Its totient is φ = 252505506.

The previous prime is 252505483. The next prime is 252505531. The reversal of 252505507 is 705505252.

It is a balanced prime because it is at equal distance from previous prime (252505483) and next prime (252505531).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252505507 is a prime.

It is not a weakly prime, because it can be changed into another prime (252505537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126252753 + 126252754.

It is an arithmetic number, because the mean of its divisors is an integer number (126252754).

Almost surely, 2^252505507 is an apocalyptic number.

252505507 is a deficient number, since it is larger than the sum of its proper divisors (1).

252505507 is an equidigital number, since it uses as much as digits as its factorization.

252505507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 252505507 is about 15890.4218635000. The cubic root of 252505507 is about 632.0580274058.

The spelling of 252505507 in words is "two hundred fifty-two million, five hundred five thousand, five hundred seven".